package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApCollectionBehaviorService;
import com.heima.common.constants.message.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.CollectionBehaviorDTO;
import com.heima.model.behavior.dtos.NewBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApCollectionBehaviorServiceImpl implements ApCollectionBehaviorService {

    @Autowired
    ApBehaviorEntryService behaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Override
    public ResponseResult collectBehavior(CollectionBehaviorDTO dto) {
        //1.校验参数 需要登录 文章id不能null  操作类型 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //2.根据userId查询行为实体数据
        ApBehaviorEntry behaviorEntry = behaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (behaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"查询行为实体对象为空");
        }
        //3.如果是收藏操作 判断是否已经收藏
        if (dto.getOperation() == 0){
            ApCollection collection = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(behaviorEntry.getId())
                    .and("articleId").is(dto.getArticleId())), ApCollection.class);
            if (collection != null){
                CustException.cust(AppHttpCodeEnum.DATA_EXIST,"已经收藏过");
            }
            //4.如果未收藏 新增收藏行为
            collection = new ApCollection();
            collection.setEntryId(behaviorEntry.getId());
            collection.setArticleId(dto.getArticleId());
            collection.setCreatedTime(new Date());
            mongoTemplate.insert(collection);
        } else {
            //5.如果是取消收藏操作  删除收藏行为
            mongoTemplate.remove(Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApCollection.class);
        }
        //*****添加文章收藏-发送消息******
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.COLLECTION);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation() == 0 ? 1 : -1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, mess);
        log.info("收藏行为 发送消息 ==>{}",JSON.toJSONString(mess));
        return ResponseResult.okResult();
    }
}
